Source 1review2019Molecules
Toolkit/unnatural amino acid side-chain vibrational probe strategy
unnatural amino acid side-chain vibrational probe strategy
Also known as: extrinsic unnatural amino acids with vibrational moieties on the side chain, side-chain vibrational probes
Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
In particular, ... incorporation of the extrinsic unnatural amino acids with vibrational moieties on the side chain, have greatly expanded the ability of vibrational spectroscopy to obtain site-specific structural and dynamic information.
Usefulness & Problems
Why this is useful
This approach introduces unnatural amino acids bearing vibrational reporter groups on side chains so that local structure and dynamics can be measured spectroscopically. The review presents it as a site-specific extension of vibrational amyloid analysis.; obtaining site-specific structural information; obtaining site-specific dynamic information; probing amyloid aggregation with side-chain reporters
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This approach introduces unnatural amino acids bearing vibrational reporter groups on side chains so that local structure and dynamics can be measured spectroscopically. The review presents it as a site-specific extension of vibrational amyloid analysis.
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obtaining site-specific structural information
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obtaining site-specific dynamic information
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probing amyloid aggregation with side-chain reporters
Problem solved
It provides localized structural and dynamic information that is harder to obtain from unlabeled bulk vibrational measurements.; adds site-specific vibrational reporters to proteins or peptides
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It provides localized structural and dynamic information that is harder to obtain from unlabeled bulk vibrational measurements.
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adds site-specific vibrational reporters to proteins or peptides
Problem links
adds site-specific vibrational reporters to proteins or peptides
LiteratureIt provides localized structural and dynamic information that is harder to obtain from unlabeled bulk vibrational measurements.
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It provides localized structural and dynamic information that is harder to obtain from unlabeled bulk vibrational measurements.
Taxonomy & Function
Primary hierarchy
Mechanism Branch
Architecture: A reusable architecture pattern for arranging parts into an engineered system.
Techniques
Structural CharacterizationTarget processes
No target processes tagged yet.
Implementation Constraints
cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: sensor
It requires access to peptides or proteins containing the extrinsic unnatural amino acids and a vibrational spectroscopy method capable of detecting the reporter moieties.; requires incorporation of extrinsic unnatural amino acids with vibrational side-chain moieties; requires compatible vibrational spectroscopy readout
The abstract does not state that these probes by themselves fully define aggregation mechanisms or eliminate the need for other structural methods.
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
Incorporating unnatural amino acids with side-chain vibrational moieties expands vibrational spectroscopy by enabling site-specific structural and dynamic information.
Introducing isotope-labelled carbonyl groups into peptide backbones expands vibrational spectroscopy by enabling site-specific structural and dynamic information.
FTIR and Raman spectroscopy are powerful vibrational tools for investigating protein misfolding and aggregation because they are sensitive to protein secondary structure.
Approval Evidence
1 source1 linked approval claimfirst-pass slug unnatural-amino-acid-side-chain-vibrational-probe-strategy
In particular, ... incorporation of the extrinsic unnatural amino acids with vibrational moieties on the side chain, have greatly expanded the ability of vibrational spectroscopy to obtain site-specific structural and dynamic information.
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capability expansionsupports
Incorporating unnatural amino acids with side-chain vibrational moieties expands vibrational spectroscopy by enabling site-specific structural and dynamic information.
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Comparisons
Source-stated alternatives
The review contrasts this side-chain-probe route with isotope-labeled backbone carbonyl strategies and with standard FTIR and Raman measurements.
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The review contrasts this side-chain-probe route with isotope-labeled backbone carbonyl strategies and with standard FTIR and Raman measurements.
Source-backed strengths
greatly expands the ability of vibrational spectroscopy to obtain site-specific structural information; greatly expands the ability of vibrational spectroscopy to obtain site-specific dynamic information
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greatly expands the ability of vibrational spectroscopy to obtain site-specific structural information
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greatly expands the ability of vibrational spectroscopy to obtain site-specific dynamic information
Compared with Fourier transform infrared spectroscopy
The review contrasts this side-chain-probe route with isotope-labeled backbone carbonyl strategies and with standard FTIR and Raman measurements.
Shared frame: source-stated alternative in extracted literature
Strengths here: greatly expands the ability of vibrational spectroscopy to obtain site-specific structural information; greatly expands the ability of vibrational spectroscopy to obtain site-specific dynamic information.
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The review contrasts this side-chain-probe route with isotope-labeled backbone carbonyl strategies and with standard FTIR and Raman measurements.
Ranked Citations
- 1.